~~~ package flyweight import ( "testing" ) func TestFlyweight(t *testing.T) { ff := NewFlyweightFactory() fya := ff.Flyweight("a") fya.Operation(1) fyb := ff.Flyweight("b") fyb.Operation(2) fyc := ff.Flyweight("c") fyc.Operation(3) fyd := ff.Flyweight("d") fyd.Operation(4) fyu := ff.Flyweight("u") fyu.Operation(5) } ~~~